Alert archive / New Jersey / Flash Flood Warnings in 2021
Flash Flood Warning 50, NWS New York, NY
NWS New York, NY issued this flash flood warning at Oct 26, 2021, 7:39 AM EDT for 5 counties in New Jersey. It was in force for 3 hr. 4 reports came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Oct 26, 2021, 7:39 AM EDT (11:39 UTC)
- Expired
- Oct 26, 2021, 10:30 AM EDT
- In force
- 3 hr
- Issued by
- NWS New York, NY
- Area
- Storm-based polygon
- Flood severity
- None
Counties Bergen County, NJ, Essex County, NJ, Hudson County, NJ, Passaic County, NJ, Union County, NJ
The radar
The Philadelphia radar (KDIX), 100 km from the middle of the area, began a volume at 11:40 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Oct 26, 9:21 AM EDT | FLASH FLOOD | 1 Ene Passaic, NJ | PASSAIC STREET BETWEEN MARKET STREET AND SR-21 CLOSED DUE TO FLOODING. |
| Oct 26, 9:31 AM EDT | FLASH FLOOD | 1 Nne Teterboro Airport, NJ | NORTH STREET BETWEEN GREEN STREET AND HUYLER STREET CLOSED DUE TO FLOODING. |
| Oct 26, 9:41 AM EDT | FLASH FLOOD | 1 Ese Irvington, NJ | BRAGAW AVENUE ALL LANES CLOSED DUE TO FLOODING. |
| Oct 26, 10:23 AM EDT | FLASH FLOOD | 1 W Bogota, NJ | HUDSON STREET CLOSED DUE TO FLOODING. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Brookhaven, NY (KOKX), launched 00:00Z, 11.7 hours before the alert went out and 120 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 544 J/kg
- Mixed-layer CIN
- -23 J/kg
- Mixed-layer LCL
- 758 m above ground
- 0-6 km bulk shear
- 26 kt
- 0-1 km storm-relative helicity
- 96 m²/s²
- 0-3 km storm-relative helicity
- 52 m²/s²
- Significant tornado parameter
- 0.2
- Supercell composite
- 1.0
The text
As transmitted.
445
WGUS51 KOKX 261139
FFWOKX
NJC003-013-017-031-039-261330-
/O.NEW.KOKX.FF.W.0050.211026T1139Z-211026T1330Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service New York NY
739 AM EDT Tue Oct 26 2021
The National Weather Service in Upton has issued a
* Flash Flood Warning for...
Bergen County in northeastern New Jersey...
Essex County in northeastern New Jersey...
Hudson County in northeastern New Jersey...
Passaic County in northeastern New Jersey...
Union County in northeastern New Jersey...
* Until 930 AM EDT.
* At 739 AM EDT, Doppler radar indicated heavy rain across the
warned area. Between 1 and 2 inches of rain have fallen.
Additional rainfall amounts of 1 to 2 inches are possible in the
warned area. Flash flooding is ongoing or expected to begin
shortly.
HAZARD...Flash flooding caused by heavy rain.
SOURCE...Radar.
IMPACT...Flash flooding of small creeks and streams, urban
areas, highways, streets and underpasses as well as
other poor drainage and low-lying areas.
* Some locations that will experience flash flooding include...
Newark, Jersey City, Paterson, Elizabeth, Passaic, Bayonne, Wayne,
Hoboken, Plainfield, Bloomfield, Hackensack, Linden, Orange,
Bergenfield, Paramus, West Milford, Ridgewood, Summit, Lyndhurst
and Millburn.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Be aware of your surroundings and do not drive on flooded roads.
Excessive runoff from heavy rainfall will cause flooding of urban
areas, highways, streets and underpasses as well as other drainage
areas and low lying spots.
Please report observed flooding to local emergency services or law
enforcement and request they pass this information to the National
Weather Service when you can do so safely.
&&
LAT...LON 4108 7450 4120 7437 4100 7389 4071 7402
4068 7410 4066 7407 4067 7411 4065 7408
4065 7419 4060 7423 4060 7446 4066 7440
4067 7446 4075 7436 4091 7433 4091 7427
4100 7430 4102 7443 4105 7445 4104 7450
FLASH FLOOD...RADAR INDICATED
$$
Fig2 follow-up statements
661
WGUS51 KOKX 261313
FFWOKX
NJC003-013-017-031-039-261430-
/O.EXT.KOKX.FF.W.0050.000000T0000Z-211026T1430Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service New York NY
913 AM EDT Tue Oct 26 2021
The National Weather Service in Upton has extended the
* Flash Flood Warning for...
Bergen County in northeastern New Jersey...
Essex County in northeastern New Jersey...
Hudson County in northeastern New Jersey...
Passaic County in northeastern New Jersey...
Union County in northeastern New Jersey...
* Until 1030 AM EDT.
* At 913 AM EDT, Doppler radar indicated heavy rain across the
warned area. Between 1 and 2 inches of rain have fallen.
Additional rainfall amounts of 1 to 2 inches are possible in the
warned area. Flash flooding is ongoing or expected to begin
shortly.
HAZARD...Flash flooding caused by heavy rain.
SOURCE...Radar.
IMPACT...Flash flooding of small creeks and streams, urban
areas, highways, streets and underpasses as well as
other poor drainage and low-lying areas.
* Some locations that will experience flash flooding include...
Newark, Jersey City, Paterson, Elizabeth, Passaic, Bayonne, Wayne,
Hoboken, Plainfield, Bloomfield, Hackensack, Linden, Orange,
Bergenfield, Paramus, West Milford, Ridgewood, Summit, Lyndhurst
and Millburn.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Be aware of your surroundings and do not drive on flooded roads.
Excessive runoff from heavy rainfall will cause flooding of urban
areas, highways, streets and underpasses as well as other drainage
areas and low lying spots.
Please report observed flooding to local emergency services or law
enforcement and request they pass this information to the National
Weather Service when you can do so safely.
&&
LAT...LON 4108 7450 4120 7437 4100 7389 4071 7402
4068 7410 4066 7407 4067 7411 4065 7408
4065 7419 4060 7423 4060 7446 4066 7440
4067 7446 4075 7436 4091 7433 4091 7427
4100 7430 4102 7443 4105 7445 4104 7450
FLASH FLOOD...RADAR INDICATED
$$
Fig595
WGUS71 KOKX 261429
FFSOKX
Flash Flood Statement
National Weather Service New York NY
1029 AM EDT Tue Oct 26 2021
NJC003-013-017-031-039-261439-
/O.EXP.KOKX.FF.W.0050.000000T0000Z-211026T1430Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Bergen NJ-Essex NJ-Hudson NJ-Passaic NJ-Union NJ-
1029 AM EDT Tue Oct 26 2021
...FLASH FLOOD WARNING WILL EXPIRE AT 1030 AM EDT THIS MORNING FOR
BERGEN, ESSEX, HUDSON, PASSAIC AND UNION COUNTIES...
The heavy rain has ended. Flooding is no longer expected to pose a
threat. Please continue to heed remaining road closures.
A Flash Flood Watch remains in effect until 600 PM EDT Tuesday for
portions of southern Connecticut, northeast New Jersey and southeast
New York.
LAT...LON 4108 7450 4120 7437 4100 7389 4071 7402
4068 7410 4066 7407 4067 7411 4065 7408
4065 7419 4060 7423 4060 7446 4066 7440
4067 7446 4075 7436 4091 7433 4091 7427
4100 7430 4102 7443 4105 7445 4104 7450
$$
FigThe office that day
Everything else NWS New York, NY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 25, 9:42 PM EDT | Flash Flood Warning | OKX | Essex, Passaic | 3 hr |
| Oct 25, 10:33 PM EDT | Flash Flood Warning | OKX | Bergen | 3 hr |
| Oct 26, 3:12 AM EDT | Areal Flood Advisory | OKX | Bergen, Essex, Hudson, Passaic, Union | 5 hr |
| Oct 26, 6:03 AM EDT | Areal Flood Advisory | OKX | Bergen, Passaic | 3 hr |
| Oct 26, 10:05 AM EDT | River Flood Warning | OKX | Bergen | 14 hr |
| Oct 26, 10:38 AM EDT | Areal Flood Advisory | OKX | Bergen, Essex, Hudson, Passaic | 112 min |
| Oct 26, 1:45 PM EDT | River Flood Warning | OKX | Bergen, Passaic | 36 hr |
| Oct 26, 2:58 PM EDT | Areal Flood Advisory | OKX | Bergen | 3 hr |
| Oct 26, 7:11 PM EDT | Areal Flood Advisory | OKX | Bergen, Essex, Hudson, Passaic, Union | 3 hr |
Nearby
Flash Flood Warnings in New Jersey, 2021Every flash flood warning in 2021
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.